Solar cell series connection (CB20479E)

In the figure we have the way to connect solar cells in series in order to increase their voltage. The cells must be of the same type.

MC1374 Modulator (CB5263E)
This modulator for analog video signals was found in a 1980s Motorola documentation. The circuit...
PWM Motor Control for 3 to 12 V (CB899E)
This circuit can control the speed of Motors up to 2 A and voltages in the range between 3 and 12...
Analog to digital converter (CB20540E)
Indicated for applications with a PC, this circuit was obtained in an English publication in 1992....